cleaned up old config properties and added an external resource directory and a user agreement resource name

config/config.go

@@ -59,16 +59,13 @@ func (*AmCLI) Version() string {
 // AmConfig holds the configuration of the application as read from YAML.
 type AmConfig struct {
 	Site struct {
-		BaseURL         string `yaml:"baseURL"`
-		Title           string `yaml:"title"`
-		TopRefresh      int    `yaml:"topRefresh"`
-		LoginCookieName string `yaml:"loginCookieName"`
-		LoginCookieAge  int    `yaml:"loginCookieAge"`
-		SessionExpire   string `yaml:"sessionExpire"`
-		UserAgreement   struct {
-			Title string `yaml:"title"`
-			Text  string `yaml:"text"`
-		} `yaml:"userAgreement"`
+		BaseURL               string `yaml:"baseURL"`
+		Title                 string `yaml:"title"`
+		TopRefresh            int    `yaml:"topRefresh"`
+		LoginCookieName       string `yaml:"loginCookieName"`
+		LoginCookieAge        int    `yaml:"loginCookieAge"`
+		SessionExpire         string `yaml:"sessionExpire"`
+		UserAgreementResource string `yaml:"userAgreementResource"`
 	} `yaml:"site"`
 	Database struct {
 		Driver string `yaml:"driver"`
@@ -98,8 +95,9 @@ type AmConfig struct {
 		VeniceCompatibleImageURLs bool `yaml:"veniceCompatibleImageURLs"`
 	} `yaml:"rendering"`
 	Resources struct {
-		ViewTemplateDir     string `yaml:"viewTemplateDir"`
-		ExternalContentPath string `yaml:"externalContentPath"`
+		ViewTemplateDir      string `yaml:"viewTemplateDir"`
+		ExternalContentPath  string `yaml:"externalContentPath"`
+		ExternalResourcePath string `yaml:"externalResourcePath"`
 	} `yaml:"resources"`
 	Posting struct {
 		ExternalDictionary string `yaml:"externalDictionary"`

config/default.yaml

@@ -13,10 +13,7 @@ site:
   loginCookieName: AmsterdamAuth
   loginCookieAge: 365
   sessionExpire: "3h"
-  userAgreement:
-    title: "Amsterdam User Agreement"
-    text: >
-      Text of this agreement is TBD.
+  userAgreementResource: "useragreement.html"
 database:
   driver: "mysql"
   dsn: "amsdb:x00yes2k@tcp(localhost)/amsterdam?parseTime=true&loc=UTC"
@@ -46,6 +43,7 @@ rendering:
 resources:
   viewTemplateDir: ""
   externalContentPath: ""
+  externalResourcePath: ""
 posting:
   externalDictionary: ""
   uploads:

login.go

@@ -14,6 +14,7 @@ import (
 	"net/url"
 	"time"
 
+	"git.erbosoft.com/amy/amsterdam/config"
 	"git.erbosoft.com/amy/amsterdam/database"
 	"git.erbosoft.com/amy/amsterdam/email"
 	"git.erbosoft.com/amy/amsterdam/ui"
@@ -316,7 +317,7 @@ func NewAccountUserAgreement(ctxt ui.AmContext) (string, any) {
 	}
 
 	// Load the user agreement from the resources.
-	agreementTitle, agreementBody, err := ui.AmLoadHTMLResource("useragreement.html")
+	agreementTitle, agreementBody, err := ui.AmLoadHTMLResource(config.GlobalConfig.Site.UserAgreementResource)
 	if err != nil {
 		return "error", err
 	}

ui/static.go

@@ -16,10 +16,13 @@ import (
 	"io"
 	"io/fs"
 	"net/http"
+	"os"
 	"path/filepath"
 	"strings"
 
+	"git.erbosoft.com/amy/amsterdam/config"
 	"github.com/labstack/echo/v4"
+	log "github.com/sirupsen/logrus"
 	"golang.org/x/net/html"
 )
 
@@ -29,8 +32,27 @@ var static_data embed.FS
 //go:embed resources/*
 var static_resources embed.FS
 
+// external_resources is the link to the external resource path.
+var external_resources fs.FS = nil
+
 func setupResources() {
-	// do nothing yet
+	// Open the external resource path.
+	if config.GlobalConfig.Resources.ExternalResourcePath != "" {
+		finfo, err := os.Stat(config.GlobalConfig.Resources.ExternalResourcePath)
+		if err == nil {
+			if finfo.IsDir() {
+				root, err := os.OpenRoot(config.GlobalConfig.Resources.ExternalResourcePath)
+				if err != nil {
+					panic(err)
+				}
+				external_resources = root.FS()
+			} else {
+				log.Errorf("external resource path \"%s\" is not a directory, ignored", config.GlobalConfig.Resources.ExternalResourcePath)
+			}
+		} else {
+			log.Errorf("external resource path \"%s\" is not valid, ignored (%v)", config.GlobalConfig.Resources.ExternalResourcePath, err)
+		}
+	}
 }
 
 // AmStaticFileHandler returns a handler for the files in the static embedded filesystem.
@@ -95,9 +117,26 @@ func breakUpHTML(r io.Reader) (string, string, error) {
 
 // AmLoadHTMLResource loads an HTML resource and splits it into title and body.
 func AmLoadHTMLResource(resourceName string) (string, string, error) {
-	f, err := static_resources.Open(filepath.Join("resources", resourceName))
-	if err != nil {
-		return "", "", err
+	var f fs.File = nil
+	var err error
+	if external_resources != nil {
+		f, err = external_resources.Open(resourceName)
+		if err != nil {
+			f = nil
+			pe := err.(*fs.PathError)
+			if pe.Err == os.ErrInvalid || pe.Err == os.ErrNotExist {
+				err = nil
+			}
+		}
+		if err != nil {
+			return "", "", err
+		}
+	}
+	if f == nil {
+		f, err = static_resources.Open(filepath.Join("resources", resourceName))
+		if err != nil {
+			return "", "", err
+		}
 	}
 	title, body, err := breakUpHTML(f)
 	f.Close()